Cartographia Imperialis

Cardinal World · Segmentum Ultima

Espandor

Espandor’s forests surround agricultural settlements and cities concentrated on its western continent. The trees are part of the world’s livelihood, but…

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ClassificationCardinal World
SegmentumUltima
AllegianceImperium / Ultramar
UltramarinesTyrannic War VeteransPlague WarsSpear of Espandor

Overview

Espandor’s forests surround agricultural settlements and cities concentrated on its western continent. The trees are part of the world’s livelihood, but they have also concealed enemies after the armies hunting them believed the main war was over. On Espandor, the end of an invasion has not always meant the end of the killing.

The world has supplied food and recruits to Ultramar through a history of renewed attacks. Its later standing as a cardinal world adds another claim on the inhabitants’ service. A settlement can owe labour to the wider realm and devotion to its religious authorities while still having to keep watch over the woodland beside its fields.

History

Espandor’s older role combined food production and recruitment. It suffered during the Shadow Crusade, then faced later enemies in the same wooded country. Tyranids left after the First Tyrannic War survived among its forests until a cleansing operation helped establish the Ultramarines’ Tyrannic War Veterans.

Military significance

Guilliman’s Spear of Espandor counterattack broke Nurgle’s occupation during the Plague Wars. The operation struck reinforcement networks and destroyed plague engines, weakening the enemy’s ability to keep its forces in the field. Recovering the world was part of a campaign extending beyond its ground.

M41 and M42 status

M41 · Pre-Rift

Imperial cardinal world

Espandor remains Imperial, with ork invasion among its later recorded conflicts. Its forests have repeatedly made the survival of an enemy difficult to rule out.

M42 · Era Indomitus

Recaptured during the Plague Wars

Imperial forces recapture the planet during the Plague Wars. The recorded victory does not establish complete reconstruction of its cities and farms, or a return to the former population.

Timeline

Traitor forces attack Espandor.

Ultramarines eliminate a surviving Tyranid nest.

The Spear of Espandor counterattack retakes the world.

Related charted locations

Administrative record

Tithe grade: Not established

Population: Not established

Chart placement and sources

Provisional placement

The official 2026 diagram places Espandor northeast of Macragge, east of Konor and north of Calth's system.

Relative system order is supported; the chart spacing is illustrative.

Official 2026 system diagram. The retained Macragge anchor and an editorial scale fit the local diagram into the existing Ultramar region. Relative layout is reproduced; physical distance and exact galaxy coordinates are not measured.

  1. Lexicanum — Espandor — Secondary reference

    Book references indexed by this source: Codex: Ultramarines, p. 15; Codex: Space Marines (5th Edition), p. 31; White Dwarf 305 (US), p. 87; Defenders of Ultramar, chapter 3

  2. Lexicanum — Plague Wars — Secondary reference

    Book references indexed by this source: Warhammer 40,000 8th Edition Rulebook, pp. 154–159; Dark Imperium: Plague War, chapters 24–27

  3. Lexicanum — Ultramar — Secondary reference
  4. Warhammer Community: Inner Ultramar diagram, 11 February 2026 — Official source

The dossier is available offline. Reference links open external websites.

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Cartographic positions and several administrative details are intentionally approximate where published Warhammer sources conflict or provide no canonical coordinate system.